Encyclopedia of questions & answers. 

 - London, England :  Chancellor Press,  2000. 
 - 288 pages :  colored illustrations ;  28 cm. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>97807553708972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's questions and answers.<br/>Children's encyclopedias and dictionaries.<br/>Science.
<br/><br/><label>Dewey Class. No.: </label>GR 032 En192 2000